SE8300041D0 - Alkaline-oxygen delignification of cellulose pulp at atmospheric pressure - Google Patents
Alkaline-oxygen delignification of cellulose pulp at atmospheric pressureInfo
- Publication number
- SE8300041D0 SE8300041D0 SE8300041A SE8300041A SE8300041D0 SE 8300041 D0 SE8300041 D0 SE 8300041D0 SE 8300041 A SE8300041 A SE 8300041A SE 8300041 A SE8300041 A SE 8300041A SE 8300041 D0 SE8300041 D0 SE 8300041D0
- Authority
- SE
- Sweden
- Prior art keywords
- medium
- alkaline
- reaction vessel
- oxygen
- atmospheric pressure
- Prior art date
Links
- 229910052760 oxygen Inorganic materials 0.000 title abstract 6
- 239000001301 oxygen Substances 0.000 title abstract 6
- 229920002678 cellulose Polymers 0.000 title abstract 5
- 239000001913 cellulose Substances 0.000 title abstract 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 2
- 239000000463 material Substances 0.000 abstract 4
- 239000006227 byproduct Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33844782A | 1982-01-08 | 1982-01-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8300041D0 true SE8300041D0 (sv) | 1983-01-04 |
SE8300041L SE8300041L (sv) | 1983-07-09 |
Family
ID=23324856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8300041A SE8300041L (sv) | 1982-01-08 | 1983-01-04 | Forfarande for delignifiering av cellulosamaterial med syre i ett alkaliskt medium vid atmosferstryck |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA1195811A (sv) |
SE (1) | SE8300041L (sv) |
-
1983
- 1983-01-04 SE SE8300041A patent/SE8300041L/sv not_active Application Discontinuation
- 1983-01-07 CA CA000419129A patent/CA1195811A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE8300041L (sv) | 1983-07-09 |
CA1195811A (en) | 1985-10-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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